<!DOCTYPE html>
<html>
   <head>
      <meta charset="utf-8">
      <title></title>
   </head>
   <body>
      <div>请选出正确答案</div>
      <ol>
         <li>1</li>
         <li>2</li>
         <li>3</li>
         <li>4</li>
      </ol>
      <ol type="A">
         <li>1</li>
         <li>2</li>
         <li>3</li>
         <li>4</li>
      </ol>
   </body>
</html>
